AirHint found the following cheapest return flights from Montreal (YUL) to Prague (PRG) in June 2025 (see full year).

Return flights

12 Jun - 19 Jun	Air Transat
17 Jun - 24 Jun	Air Canada
14 Jun - 21 Jun	KLM
12 Jun - 25 Jun	Delta
18 Jun - 25 Jun	Condor
15 Jun - 22 Jun	KLM
16 Jun - 23 Jun	Air Transat
19 Jun - 26 Jun	Air Transat
24 Jun - 01 Jul	Air Transat
15 Jun - 06 Jul	KLM
20 Jun - 01 Jul	Air Transat
23 Jun - 30 Jun	Air Transat
22 Jun - 29 Jun	Porter Airlines (Canada) Ltd
25 Jun - 02 Jul	Air Transat
30 Jun - 07 Jul	Air France
30 Jun - 17 Jul	Air France
27 Jun - 04 Jul	Air France
26 Jun - 07 Jul	KLM
26 Jun - 03 Jul	KLM
28 Jun - 05 Jul	KLM

Also check the deals for one-way flights from Montreal to Prague in June.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Montreal to Prague in June from $669

Return flights